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Images, Graphic Design, and Digital Photography Discussion of all things graphics.

Does Image Capture's TIFF use LZW?


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jonsm

 
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I understand that Apple's scanning program Image Capture uses compression with the TIFF format. What I can't seem to find documentation on is if that compression is lossless LZW (as I suspect). Does anyone know or know where this is spelled out? Thanks!
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chas_m

 
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I could test this for you if you'd like, but before I get out the scanner and hook it up and go through all that -- why not test it yourself? You can open the resulting TIFF in something like Graphic Converter and see if its using any compression or not ...
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jonsm

 
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Hello, thanks for your suggestion. I hadn't been familiar with the program "GraphicConverter". I had looked in Photoshop but I hadn't seen that info. GraphicConverter, however, did the trick. Under "Window --> Information" it says:

"TIFF , Big-Endian, TIFF-LZW compression/Striped(200)/Non Planar"

Not sure why Apple can't just make that info easy to find. Either way, now I know.

Thanks for your help!
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